Features Made of high quality aluminum material, strong and durable. Infrared detection technology, quick response, strong anti-interfere capability. Good sealing, dustproof and waterproof. Designed with installation slots, easy to install. Application: Forging machine tools, shearing machines, hydraulic machines, robots, packaging equipment, assembly lines, 3D garages and other automation equipment. Specification:Model: BEM0440-30NB Output mode: NPN-NC Working voltage: 12-36VDCWeight: Approx. 738g/26oz Package list: 1 * Light Grating Transmitter1 * Light Grating Receiver1 * Set of Installation Rack & Screws2 * Connection Cable Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List